Commit 3fe2bfe1 authored Nov 14, 2019 by Asutosh Das Committed by Todd Kjos Mar 06, 2020

UPSTREAM: scsi: ufs: Abort gating if clock on request is pending

This change attempts to abort gating of clocks if a request to turn-on
clocks is pending.  This would in turn avoid turning OFF and back ON the
clocks.

Link: https://lore.kernel.org/r/1573798172-20534-7-git-send-email-cang@codeaurora.org


Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 143632303
Change-Id: Idff21e3cd8f2e51554a1ab1f133733bc573d5597
(cherry picked from commit 18f01374b55b4595ad7f56250891bdbdb9d7a052)
Signed-off-by: Can Guo <cang@codeaurora.org>

parent fe405481

drivers/scsi/ufs/ufshcd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1645,7 +1645,7 @@ static void ufshcd_gate_work(struct work_struct *work)
		* state to CLKS_ON.
		*/
		if (hba->clk_gating.is_suspended \|\|
		(hba->clk_gating.state == REQ_CLKS_ON)) {
		(hba->clk_gating.state != REQ_CLKS_OFF)) {
		hba->clk_gating.state = CLKS_ON;
		trace_ufshcd_clk_gating(dev_name(hba->dev),
		hba->clk_gating.state);